import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login'
import Home from '../components/Home'
import Welcome from '../components/welcome'
import Users from '../components/user/users'
import Rights from '../components/power/Rights'
import Roles from '../components/power/Roles'
import Cate from '../components/goods/Cate'
import Params from '../components/goods/Params'
import GoodsList from '../components/goods/List'
import Add from '../components/goods/Add'
import Order from '../components/order/order'
import Report from '../components/report/Report'

Vue.use(VueRouter)

const router = new VueRouter({
  routes: [
    {
      path: '/',
      redirect: '/login'
    },
    {
      path: "/login",
      component: Login
    },
    {
      path: "/home",
      component: Home,
      redirect: '/welcome',
      children: [
        {
          path: '/welcome',
          component: Welcome
        },
        {
          path: '/users',
          component: Users
        },
        {
          path: '/rights',
          component: Rights
        },
        {
          path: '/roles',
          component: Roles
        },
        {
          path: '/categories',
          component: Cate
        },
        {
          path: '/params',
          component: Params
        },
        {
          path: '/goods',
          component: GoodsList
        },
        {
          path: '/goods/add',
          component: Add
        },
        {
          path: "/orders",
          component: Order
        },
        {
          path: "/reports",
          component: Report
        }
        
      ]
    }],

})
router.beforeEach((to, from, next) => {
  // to将要访问的路径
  // from从那个路径跳转来
  // next是一个函数，便是放行
  // next（） 放行  next('/login')  强制跳转
  if (to.path === '/login') return next()
  // 先获取token
  const tokenStr = window.sessionStorage.getItem('token')
  // 如果不是tokenStr,则强制跳转到登陆页面
  if (!tokenStr) return next('/login')
  // 否则跳转到其他页面
  next()
})
export default router
